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Harlequin RIP SDK
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Harlequin RIP SDK
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The LibJPEG API version 20201226. More...
#include "libjpegapi.h"
Data Fields | |
| struct jpeg_error_mgr *(* | jpeg_std_error )(struct jpeg_error_mgr *err) |
| Initialize a default error manager. More... | |
| void(* | jpeg_CreateDecompress )(j_decompress_ptr cinfo, int version, size_t structsize) |
| Create a LibJPEG decompression context. More... | |
| int(* | jpeg_read_header )(j_decompress_ptr cinfo, boolean require_image) |
| Read a LibJPEG decompression context. More... | |
| boolean(* | jpeg_start_decompress )(j_decompress_ptr cinfo) |
| Start decompression with LibJPEG, freeing working memory. More... | |
| JDIMENSION(* | jpeg_read_scanlines )(j_decompress_ptr cinfo, JSAMPARRAY scanlines, JDIMENSION max_lines) |
| Decompress a number of scanlines. More... | |
| boolean(* | jpeg_finish_decompress )(j_decompress_ptr cinfo) |
| Finish decompression with LibJPEG, freeing working memory. More... | |
| void(* | jpeg_destroy_decompress )(j_decompress_ptr cinfo) |
| Destroy a LibJPEG decompression context, freeing all memory allocations. More... | |
| void(* | jpeg_CreateCompress )(j_compress_ptr cinfo, int version, size_t structsize) |
| Create a LibJPEG compression context. More... | |
| void(* | jpeg_set_defaults )(j_compress_ptr cinfo) |
| Set the default values of optional LibJPEG compression parameters. More... | |
| void(* | jpeg_set_quality )(j_compress_ptr cinfo, int quality, boolean force_baseline) |
| Set the quality for LibJPEG compression parameters. More... | |
| void(* | jpeg_start_compress )(j_compress_ptr cinfo, boolean write_all_tables) |
| Start compression with LibJPEG. More... | |
| JDIMENSION(* | jpeg_write_scanlines )(j_compress_ptr cinfo, JSAMPARRAY scanlines, JDIMENSION num_lines) |
| compress a number of scanlines. More... | |
| void(* | jpeg_finish_compress )(j_compress_ptr cinfo) |
| Finish compression with LibJPEG, freeing working memory. More... | |
| void(* | jpeg_destroy_compress )(j_compress_ptr cinfo) |
| Destroy a LibJPEG compression context, freeing all memory allocations. More... | |
The LibJPEG API version 20201226.
| void(* sw_libjpeg_api_20201226::jpeg_CreateCompress) (j_compress_ptr cinfo, int version, size_t structsize) |
Create a LibJPEG compression context.
| [in,out] | cinfo | A pointer to a struct jpeg_compress_struct context to initialize. On entry, the err and client_data fields should be initialized. All other fields are reset. |
| [in] | version | The LibJPEG version number. |
| [in] | structsize | The size of the structure pointed to by cinfo. |
See the jpeglib.h header file and libjpeg.txt file for more information.
| void(* sw_libjpeg_api_20201226::jpeg_CreateDecompress) (j_decompress_ptr cinfo, int version, size_t structsize) |
Create a LibJPEG decompression context.
| [in,out] | cinfo | A pointer to a struct jpeg_decompress_struct context to initialize. On entry, the err and client_data fields should be initialized. All other fields are reset. |
| [in] | version | The LibJPEG version number. |
| [in] | structsize | The size of the structure pointed to by cinfo. |
See the jpeglib.h header file and libjpeg.txt file for more information.
| void(* sw_libjpeg_api_20201226::jpeg_destroy_compress) (j_compress_ptr cinfo) |
Destroy a LibJPEG compression context, freeing all memory allocations.
| [in,out] | cinfo | A pointer to a struct jpeg_compress_struct context to destroy. |
See the jpeglib.h header file and libjpeg.txt file for more information.
| void(* sw_libjpeg_api_20201226::jpeg_destroy_decompress) (j_decompress_ptr cinfo) |
Destroy a LibJPEG decompression context, freeing all memory allocations.
| [in,out] | cinfo | A pointer to a struct jpeg_decompress_struct context to destroy. |
See the jpeglib.h header file and libjpeg.txt file for more information.
| void(* sw_libjpeg_api_20201226::jpeg_finish_compress) (j_compress_ptr cinfo) |
Finish compression with LibJPEG, freeing working memory.
| [in,out] | cinfo | A pointer to a struct jpeg_compress_struct context. |
See the jpeglib.h header file and libjpeg.txt file for more information.
| boolean(* sw_libjpeg_api_20201226::jpeg_finish_decompress) (j_decompress_ptr cinfo) |
Finish decompression with LibJPEG, freeing working memory.
| [in,out] | cinfo | A pointer to a struct jpeg_decompress_struct context. |
See the jpeglib.h header file and libjpeg.txt file for more information.
| int(* sw_libjpeg_api_20201226::jpeg_read_header) (j_decompress_ptr cinfo, boolean require_image) |
Read a LibJPEG decompression context.
| [in,out] | cinfo | A pointer to a struct jpeg_decompress_struct context to initialize. On entry, the err and client_data fields should be initialized. All other fields are reset. |
| [in] | version | The LibJPEG version number. |
| [in] | structsize | The size of the structure pointed to by cinfo. |
See the jpeglib.h header file and libjpeg.txt file for more information.
| JDIMENSION(* sw_libjpeg_api_20201226::jpeg_read_scanlines) (j_decompress_ptr cinfo, JSAMPARRAY scanlines, JDIMENSION max_lines) |
Decompress a number of scanlines.
| [in,out] | cinfo | A pointer to a struct jpeg_decompress_struct context. |
| [out] | scanlines | A pointer to a buffer to store decompressed scanline data in. |
| [in] | max_lines | The maximum number of lines to read. |
See the jpeglib.h header file and libjpeg.txt file for more information.
| void(* sw_libjpeg_api_20201226::jpeg_set_defaults) (j_compress_ptr cinfo) |
Set the default values of optional LibJPEG compression parameters.
| [in,out] | cinfo | A pointer to a struct jpeg_compress_struct context. |
See the jpeglib.h header file and libjpeg.txt file for more information.
| void(* sw_libjpeg_api_20201226::jpeg_set_quality) (j_compress_ptr cinfo, int quality, boolean force_baseline) |
Set the quality for LibJPEG compression parameters.
| [in,out] | cinfo | A pointer to a struct jpeg_compress_struct context. |
| [in] | quality | A quality value from 0-100. |
| [in] | force_baseline | If TRUE, the the quantization table entries are constrained to the range 1-255 for full JPEG baseline compatibility. |
See the jpeglib.h header file and libjpeg.txt file for more information.
| void(* sw_libjpeg_api_20201226::jpeg_start_compress) (j_compress_ptr cinfo, boolean write_all_tables) |
Start compression with LibJPEG.
| [in,out] | cinfo | A pointer to a struct jpeg_compress_struct context. |
| [in] | write_all_tables | Normally TRUE to write a complete JPEG interchange datastream. |
See the jpeglib.h header file and libjpeg.txt file for more information.
| boolean(* sw_libjpeg_api_20201226::jpeg_start_decompress) (j_decompress_ptr cinfo) |
Start decompression with LibJPEG, freeing working memory.
| [in,out] | cinfo | A pointer to a struct jpeg_decompress_struct context. |
See the jpeglib.h header file and libjpeg.txt file for more information.
| struct jpeg_error_mgr*(* sw_libjpeg_api_20201226::jpeg_std_error) (struct jpeg_error_mgr *err) |
Initialize a default error manager.
JPEG compression and decompression contexts must have the err field set to point to an error manager structure on initialization. The default error manager outputs messages to standard output or standard error, and will exit the process in case of an unrecoverable JPEG error. This is probably not what you want, but you may wish to initialize and error manager with it and then override methods.
| [out] | err | The error manager structure to initialize. |
See the jpeglib.h header file and libjpeg.txt file for more information.
| JDIMENSION(* sw_libjpeg_api_20201226::jpeg_write_scanlines) (j_compress_ptr cinfo, JSAMPARRAY scanlines, JDIMENSION num_lines) |
compress a number of scanlines.
| [in,out] | cinfo | A pointer to a struct jpeg_compress_struct context. |
| [out] | scanlines | A pointer to a buffer containing uncompressed scanline to write. |
| [in] | num_lines | The maximum number of lines to write. |
See the jpeglib.h header file and libjpeg.txt file for more information.